Button cutting and drilling machine.



MCCOY. BUTTON CUTTING AND DRILLING MACHINE.

APPLICATION FILED JUNE 11, 1909. 959, 1 5 1 Patented May 24, 1910.

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E05lsw muv af mm we M Kw v 4 R. M00033. BUTTON CUTTING AND DRILLINGMACHINE. APPLICATION FILED JUNE 11, 1909.

95 9, 1 5 1 Patented May 24;, 1910.

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UNITED STATES PATENT OFFICE.

ROBERT MCCOY, OF VINELAND, NEW JERSEY, ASSIGNOR OF ONE-HALF TO PEERLESSPEARL COIVIPANY, OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF PENN-SYLVANIA.

BUTTON CUTTING AND DRILLING MACHINE.

To all whom it may concern:

Be it known that I, ROBERT MCCOY, a citizen of the United States,residing in Vineland, New Jersey, have invented certain Improvements inButton Cutting and Drilling Machines, of which the following is aspecification.

One object of my invention is to provide an automatically acting machinefor cutting fish-eyes in buttons which shall be of such a nature as tobe capable of use in connection with and as a part of a button drillingdevice.

Another object of my invention is to provide an attachment for a buttondrilling ma chine which shall be capable of automatically cuttingfish-eyes simultaneously in one or any number of buttons while they arepassing from the position occupied when they are fed into the chuck tothe position in which they are drilled.

It is further desired to so place automatic fish-eye cutting mechanismwith relation to a button drilling mechanism that the holes drilledshall necessarily occupy the proper positions in the fish-eyes:-theinvention also contemplating the novel means for controlling andactuating the various parts of the cutting mechanism and its associatedparts.

I'also desire to provide a relatively sim ple, accurate and reliablefish-eye cutting apparatus capable of being attached to and used inconnection with a well known form of button drilling machine withoutrequiring material alteration of the latter.

These objects and other advantageous ends I secure as hereinafter setforth, reference being had to the accompanying drawings, in which Figurel, is a perspective view of a portion of a button drilling machine,showing my invention as applied thereto; Fig. 2, is an end elevation ofthe machine shown in Fig. 1; Fig. 3, is a side elevation, partly invertical section, showing certain detail fea tures of the device; Fig.4, is a section illustrating a portion of the drum holding device; Fig.5, is a vertical section showing the detail arrangement of chucks andcut ting wheels, and Figs. 6, 7 and 8, are re spectively two perspectiveviews and a vertical section showing a button in various stages of itstreatment by my machine.

In the above drawings A. represents a suit Specification of LettersPatent.

Application filed June 11, 1909.

Patented May 24, 1910. Serial No. 501,586.

able frame Work on which are mounted standards A carrying a slide B andalso serving as a support for a tray or table a. The plate forming theslide B is carried in a vertical position, and has projecting forwardfrom it two brackets Z) forming bearings for a shaft G. This shaft isprovided at one end with a driving pulley c and has keyed or otherwisefastened to it a sprocket wheel 0,' there being loosely mounted on itbetween the bearings a chuck carrying structure I) which for convenienceI shall hereafter refer to as a drum.

A hollow body portion d constitutes the main part of the drum and hasradiating from it four equally spaced chuck guiding brackets (Z. Thesebrackets, as Well as the body portion, may be of any desired length sothat each can accommodate a number of automatically acting button chucks(Z each of which consists of a hollow spindle d enlarged and split atits outer end so as to be capable of receiving and holding a button,

and having a spring 6Z surrounding the spindle so as to act between thebody cl and the head of the chuck. Said body contains suitable automaticchuck-controlling devices operative on the spindles (Z which, as itforms no part of the present invention, is not shown. The apparatus,however, is so constructed that the chucks of the series carried by anyone bracket are in their open position when said bracket extendsvertically upward, and are brought to their closed position as soon asthe drum has turned an appreciable distance in the direction of thearrow, Fig. 2. Said chucks are again opened about the time that thebracket has attained its lowermost position. To one end of the drum isfixed a circular plate d having in it four holes indicated at 6Z6 placedadjacent to its periphery 90 apart.

The bearing bracket Z) at the end of the machine adjacent to the plate03 carries a spring-actuated pin 6 normally pressed to ward said plateand so positioned as to be capable of entering any one of the holes d tolock the plate and with it the drum in any one of four positions. Theouter end of the pin 6 is engaged by one arm of a lever carried by thebearing bracket Z) and having a second arm Z) placed to be engaged by acam f carried by a wheel F in such manner as to be capable of causingsaid lever to swing on its pivot and draw the pin 11 out of engagementwith the plate This wheel F is mounted on a short shaft f journaled insuitable bearings in the frame A and also having fixed to it a wormwheel f driven by a worm i on the shaft f This latter is actuatedthrough a gear wheel 7 from any suitable source of power. Said wheel Fhas mounted on it a relatively short gear segment f so placed as to becapable of engaging the teeth of a gear (Z loosely mounted upon theshaft C but fixed to the drum D through the plate d Also loosely carriedby the shaft C is a yoke piece G having the general form of an invertedU and normally held in a substantially vertical position against stops 9by means of a spring 9 extending between it and some fixed part of themachine, in the present instance, one side of the table a. Theintermediate or top member of this yoke piece is preferably connected tothe end members thereof by screws 1' and may be adjusted longitudinallyby screws r; that is to say, by means of these latter screws said topmember may be shifted longitudinally relatively to the other parts ofthe device and may be held in its adjusted position by means of thescrews 1". Said top member carries two spindles 9 provided at theirlower ends with heads g in which are formed bearings for a spindle Hextending parallel with the shaft C and having adjacent to its endsgrooved guide wheels it. These spindles are normally pressed downwardlyby springs g confined between the heads g and adjustable sleeves screwedinto the yoke G. Each of the spindles g has on its upper end adjustablestop nuts 9 which limit the distance it can slide'through the sleeve gtoward the shaft 0. Each of the grooved wheels h rests upon a cam track77, fastened in any suitable manner to the bearing brackets b and to themain frame A; the essential part of each track being of substantiallythe shape of a quad rant, and having a certain length of its outerperiphery, indicated at it lower or nearer the shaft C than theremainder.

Upon the spindle H are any desired number of rotary cutters h suitablefor forming the fish-eyes 0a in buttons such as that indicated at X inFigs. 6 to 8 inclusive. This shaft H also carries a sprocket wheel h inline with the sprocket wheel a on theshaft C, with which it is connectedby means of a suitable chain it. As shown in Fig. 1, each of the cuttersh is in a vertical plane including the center lines of a series of fourof the chucks carried by the drum D, and

. in each of these planes is mounted a drill -of the present invention,may be employed for advancing and retracting the drills so as to causethem to operate upon the buttons held by the various chucks, but as thismachine is well known to the art, I have not illustrated it.

As shown in Figs. 1 and 3, one side of the yoke G carries an inwardlyextending pin 9 which, like the pin Z2 is capable of entering the holes(Z of the plate 61 though in this case it serves to lock the yoke to thedrum. Said pin is normally pressed toward the plate by a spring 9 and ithas at its outer end a head 9 provided with a pair of rollers placed tobe engaged by a cam L when the yoke has been moved a predetermineddistance from its normal position. The cam has a forked shaped end andis held by a bolt Z to the frame A of the machine. WVhen these rollersof the head are brought into engagement with the cam L, the latter actsto draw the pin g longitudinally outward so as to release the yoke Gfrom the plate (Z and hence from the drum D.

Under operating conditions, buttons are fed from the tray or table athrough guideways a and with the various parts in the positions shown inFig. 1, the chucks of the uppermost set are in their open condition sothat buttons may be passed from said guideways into them. Moreover, thedrum D is locked to the frame of the machine because the pin is in oneof the holes d of the plate (Z5, and the yoke Gr is locked to said platethrough the pin 9 If power be now applied to the pulley wheel 0 so as toturn the shaft 0, the cutters 7& are driven through the spindle H butare held above and out of contact with the buttons in their severalchucks by reason of the fact that the guide rollers h are resting uponthe high portions of the tracks. 7?. If the shaft f" be turned so as todrive the wheel F in the direction shown by the arrow, Fig. 2', the cam7" will come into engagement with the arm 7) of the locking lever and somove the pin 6 as to release the plate d Immediately thereafter thesegmental gear 7 is brought into mesh with the teeth of the pinion (Z sothat the drum D and with it the yoke G together with their attachedparts, will be swung downwardly in the direction indicated in Fig. 2.The automatic mechanism within the body d of the drum immediatelythereafter acts to cause closing of the various chucks of the top set sothat these grip the buttons previously placed in them and as themovement of the drum. continues, the guide rollers it come into thelower portion 71, of the tracks if so that the springs g force thespindle H toward the shaft C, thereby bringing the cutters 7? intoengagement with the various but-tons held by the set of chucks abovereferred to.

The various parts are. so proportioned and adjusted that the depth ofcut is made as desired, depending on the adjustment of the stop nuts 9on the spindle g and the guide rollens finally strike the higher portionof the track 72?, so that the cutters are returned to the raisedposition above the chucks. 1mmediately thereafter, the rollers of thespindle head g engage the forked end of the cam L, with the result thatthe pin 9 is pulled out of the hole in the plate (Z thereby uncouplingthe yoke G from the drum D. Under the action of the spring 9 said yokeis quickly returned to its normal vertical position and shortlythereafter the segmental gear f passes out of mesh with the pinion (Zwhile the pins 6 and g again enter the holes in the plate d so as tolock the drum to the frame and the yoke G to the drum.

The drills is are now advanced by their appropriate mechanism so as todrill one or more holes in each of the buttons, and it is obvious thatsince the adjustment of the various cutters 7L relatively to each otherand to the chucks may be made with the greatest nicety, said drills canbe set so that they operate with the greatest accuracy at the desiredpoint or points on the fish-eyes of the button.

If more than one hole is desired in each button, suitable mechanism isprovided for periodically raising the structure carrying the drills 72,but since such mechanism is old and well known to the art, it has notbeen illustrated in the drawings.

Vhile said drills are acting, another series of buttons is being fedinto the set of chucks now uppermost, which like the first series, arein the opened condition ;it being evident that the cutter wheels are intheir raised position above the chucks owing to the fact that thegrooved guide wheels on the spindle H have again come to rest on thehigher parts of the tracks if.

The above cycle of operations is repeated as soon as the segmental gear7 again comes into engagement with the gear 6.

While I have shown a machine in which there are but four chucks to aset, and hence but four cutters on the spindle H, I may, without in anyway departing from my invention, employ a greater or less number ofchucks and cutters.

I claim 1. The combination of a rotary structure having a series ofchucks; a frame rotatable concentrically with said structure; means forlocking the frame to the structure; means for releasing said frame fromthe structure; a cutter spindle, carried by the frame and rotatabletherewith outside the chuck supporting structure, and substantiallyparallel with the axis of rotation thereof; a cutter on the spindle; adrill operative in a line substantially at right angles to said axis ofrotation of the frame; with means for rotating the chuck-carryingstructure to cause the chuck to be successively presented to the cutterand to the drill.

2. The combination of a drill, a series of chucks, a structuresupporting said chucks, means for rotating said structure so as tosuccessively present said chucks to the drill, a source of supply forarticles to be drilled, a cutter placed to act upon articles carried bythe chucks as they pass from the source of supply to the drill andbodily movable toward and from the axis of rotation of the chucksupporting structure, with a frame rotatable concentrically with thechucksupporting structure.

3. The combination of a chuck, a drill, means for moving the chuck topresent an article carried thereby to the drill, a frame, a cuttercarried thereby and capable of acting on the article in the chuck, withmeans for detachably locking said frame to the chuck so that it moveswith the same.

4-. The combination of a chuck, a drill, means for moving the chuck topresent an article carried thereby to the drill, a frame, a cuttercarried thereby and capable of acting on the article in the chuck, meansfor detachably locking said frame to the chuck so that it moves with thesame, and means for automatically causing the cutter to move into andout of operative position.

5. The combination of a rotatable structure, a series of chucks carriedthereby, means for rotating said structure, a movable frame, a cuttercarried thereby and capable of operating on objects carried by thechucks, a drill also placed to operate on said objects, means forlocking together the chuck carrying structure and said frame, with meansfor releasing the said locking means at a predetermined time.

6. The combination of a rotatable structure, a chuck carried thereby, amovable frame, a cutter carried thereby, driving means for the cutter,means for locking the frame to the chuck carrying structure, and meansfor automatically releasing said locking means under redeterminedconditions.

7 The combinatlon of a movable supporting structure, a chuck carriedthereby, amovable frame, a cutter movably supported thereon and capableof operating on work carried by said chuck, with a cam for governing theaction of said cutter.

8. The combination of a movable supporting structure, a chuck carriedthereby, a movable frame, a spindle carried by said frame and free tomove toward and from the chuck carrying structure, a cutter mounted onthe spindle, and means for governing the movement of the cutter towardand from the chuck.

9. The combination of a movable supporting structure, a chuck carriedthereby, a

movable frame, a spindle carried by said frame and free to move towardand from the chuck carrying structure, a cutter on the spindle, meansfor governing the movement of the: cutter toward and from the chuck,

means for automatically locking the cutter frame and chuck carryingstructure together, and means for releasing said looking means.

10;, The combination of a rotatable drum having a plurality of series ofchucks, a frame, a plurality of cutters carried thereby, driving meansfor said cutters, means for governing the action of the cutters uponobjects carried by the chucks, and means for locking the frame to thechuck carrying structure under predetermined conditions,

with a device, for automatically releasing said locking means.

11. The combination of a maln frame, a drum, 9. number of serles ofchucks thereon,

a frame supported concentrically with the Z drum, cuttersv on saidframe, means for locking the drumto the main frame and to the cutterframe, means for automatically releasing said lockin means to free thecutter frame from the rum, means for causing movement of the cutterstoward and from the chucks, and means for intermittently turning thedrum through predetermined arcs.

12. The combination of a drill, a chuck, means for moving the chuck topresent an article carried thereby to the drill, and a cutter mounted tooperate on such article while it is moving toward the drill.

13. The combination of a drill, av chuck, means for moving the chuck topresent an article carried thereby to the drill, and a cutter capable ofmoving with the chuck as well as toward and from the same while saidchuck is moving toward the drill.

In testimony whereof, I have signed my name to this specification, inthe presence of two subscribing witnesses.

ROBERT MCCOY.

Witnesses:

VILLIAM E. BRADLEY, lVM. A. BARR.

